WORD or IDIOM OF THE DAY
1 : a solemn promise or agreement to do or refrain from doing something
2 : something delivered as security for the payment of a debt or fulfillment of a promise, and subject to forfeiture on failure to pay or fulfill the promise.
// The company made a pledge to its customers. (audio)
// a pledge of aid; a pledge not to wage war.
// I made a pledge, and I refuse to break it.
// The soldier made a pledge to defend his country.
Portuguese: penhor, compromisso, promessa, caução, juramento
Spanish: compromiso, promesa, garantía